/*
 * Copyright 2008,2009,2010 Daniel Freitas
 *
 * This file is part of DMF Generic DAO.
 *
 * DMF Generic DAO is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * DMF Generic DAO is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with DMF Generic DAO. If not, see
 * <http://www.gnu.org/licenses/>.
 */
package com.googlecode.dmf.genericdao;

import java.lang.reflect.Method;

import com.googlecode.dmf.genericdao.annotaions.QueryMethod;

/**
 * An {@link QueryNameResolver} which retrieves the query name based on the name provided by the {@link QueryMethod}
 * annotation.
 *
 * @author <a href="mailto:daniel.mfreitas@gmail.com">Daniel Freitas</a>
 */
public class AnnotatedQueryNameResolver implements QueryNameResolver {

    /**
     * {@inheritDoc}
     *
     * @see com.googlecode.dmf.genericdao.QueryNameResolver#resolveName(java.lang.reflect.Method)
     */
    public String resolveName(final Method targetMethod) {
        QueryMethod annotation = targetMethod.getAnnotation(QueryMethod.class);

        if (annotation == null) {
            return null;
        }

        return annotation.value();
    }
}
